This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The spectra of the coolest stars contain strong absorption features (or lines) of a. TiO ... (Read 98 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
on: Jul 27, 2018
The spectra of the coolest stars contain strong absorption features (or lines) of
 
  a. TiO molecules.
  b. ionized helium.
  c. helium.
  d. hydrogen.
  e. All of the other choices are correct.

Question 2

The Hubble Space Telescope objective mirror is not affected by
 
  a. bad seeing.
  b. chromatic aberration.
  c. diffraction.
  d. chromatic aberration and diffraction.
  e. bad seeing and chromatic aberration.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

e


2125004343

  • Member
  • Posts: 566
Reply 2 on: Jul 27, 2018
Gracias!

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Hertzsprung-Russell diagram for a set of stars that includes the Sun Hertzsprung-Russell diagram for a set of stars that includes the Sun
Motion of Stars at the Poles Motion of Stars at the Poles
Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts. Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts.
With all vacuum lines and the intake tube removed, the valve cover can be removed after removing all ... With all vacuum lines and the intake tube removed, the valve cover can be removed after removing all ...
The evaporative emission control system includes all of the lines, hoses, and valves, plus the ... The evaporative emission control system includes all of the lines, hoses, and valves, plus the ...
Igneous Features Igneous Features
Video: Origin of organelles Animation

For a complete list of videos, visit our video library